Hi,

Using x for Vince's age NOW and y for Kurt's age NOW.

Write as You Read:

 y + 5 = 2(x+5)            * Used below to find y

 y - 5 = 3(x-5)            * Used below to check our work

Expand

 y + 5 = 2x + 10

 y - 5 = 3x - 15

Set Up

  y - 2x = 5

  y - 3x = -10 

Multiplying 2nd EQ by -1 to eliminate y

   x = 15 , Vince's age now  and Kurt is 35 

Checking our Work

 y - 5 = 3(x-5)

 30 = 30  checks

Wish You the Best in your Studies. 

 

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